* __Increment version to 1.2.2 and backport log4j upgrade to 2.16. (#1728)__

    [Daniel Doubrovkine (dB.)](mailto:dblock@dblock.org) - Tue, 14 Dec 2021 19:04:20 -0500
    
    * Increment version to 1.2.2.
     Signed-off-by: dblock &lt;dblock@amazon.com&gt;
    
    * Upgrade to log4j 2.16.0 (#1721) (#1723)
     Signed-off-by: Andriy Redko &lt;andriy.redko@aiven.io&gt;
    
    * Moving DCO to workflows (#1458)
     Signed-off-by: CEHENKLE &lt;henkle@amazon.com&gt;
     Co-authored-by: Andriy Redko &lt;andriy.redko@aiven.io&gt;
    Co-authored-by: CEHENKLE
    &lt;henkle@amazon.com&gt;
